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const gdv_69c98e477bc23canvas = document.getElementById("gdv_69c98e477bc23imageCanvas"); const gdv_69c98e477bc23ctx = gdv_69c98e477bc23canvas.getContext("2d");
const gdv_69c98e477bc23thumbnailContainer = document.getElementById("gdv_69c98e477bc23thumbnailContainer"); const gdv_69c98e477bc23thumbnailContainerWrapper = document.getElementById("gdv_69c98e477bc23thumbnailContainerWrapper"); const gdv_69c98e477bc23zoomInButton = document.getElementById("gdv_69c98e477bc23zoomIn"); const gdv_69c98e477bc23zoomOutButton = document.getElementById("gdv_69c98e477bc23zoomOut"); const gdv_69c98e477bc23resetZoomButton = document.getElementById("gdv_69c98e477bc23resetZoom");
const gdv_69c98e477bc23brightnessInput = document.getElementById("gdv_69c98e477bc23brightness"); const gdv_69c98e477bc23contrastInput = document.getElementById("gdv_69c98e477bc23contrast"); const gdv_69c98e477bc23fullscreenButton = document.getElementById("gdv_69c98e477bc23fullscreen");
const gdv_69c98e477bc23rotateRightButton = document.getElementById("gdv_69c98e477bc23rotateRight"); const gdv_69c98e477bc23rotateLeftButton = document.getElementById("gdv_69c98e477bc23rotateLeft");
const gdv_69c98e477bc23prevSlideButton = document.getElementById("gdv_69c98e477bc23prevSlide"); const gdv_69c98e477bc23nextSlideButton = document.getElementById("gdv_69c98e477bc23nextSlide"); const gdv_69c98e477bc23slideNumberDisplay = document.getElementById("gdv_69c98e477bc23slideNumber"); const gdv_69c98e477bc23imageName = document.getElementById("gdv_69c98e477bc23imageName");
let gdv_69c98e477bc23currentSlideIndex = 0;
gdv_69c98e477bc23brightnessInput.addEventListener("input", gdv_69c98e477bc23drawImage); gdv_69c98e477bc23contrastInput.addEventListener("input", gdv_69c98e477bc23drawImage);
const gdv_69c98e477bc23imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1TfoGnl1dK0DMYAw44K87vq4Ys3pGzRPP&sz=w3000","name":"EPOL et LFS_ Interdiction de la Croix de Saint-Louis.jpg"}];
let gdv_69c98e477bc23scale = 1; let gdv_69c98e477bc23originX = 0; let gdv_69c98e477bc23originY = 0; const gdv_69c98e477bc23minScale = 0.1; const gdv_69c98e477bc23maxScale = 5; let gdv_69c98e477bc23currentImage = new Image();
let gdv_69c98e477bc23rotationAngle = 0;
gdv_69c98e477bc23rotateRightButton.addEventListener("click", function() { gdv_69c98e477bc23rotationAngle = (gdv_69c98e477bc23rotationAngle + 90) % 360; gdv_69c98e477bc23drawImage(); });
gdv_69c98e477bc23rotateLeftButton.addEventListener("click", function() { gdv_69c98e477bc23rotationAngle = (gdv_69c98e477bc23rotationAngle - 90 + 360) % 360; gdv_69c98e477bc23drawImage(); });
function filtrerChaine(texte, cacher) { if (!texte) return "";
switch (cacher) { case "chiffre": return texte.replace(/\d/g, "");
case "tout": return "";
case "vide": default: return texte; } }
// Charger la première image par défaut gdv_69c98e477bc23currentImage.src = gdv_69c98e477bc23imageUrls[0]["url"]; gdv_69c98e477bc23imageName.innerHTML = filtrerChaine(gdv_69c98e477bc23imageUrls[0]["name"], "rien"); gdv_69c98e477bc23currentImage.onload = function() {
gdv_69c98e477bc23updateSlideNumber(); gdv_69c98e477bc23resizeCanvas(); gdv_69c98e477bc23drawImage(); document.getElementById("gdv_69c98e477bc23controls").style.display = "block"; };
function gdv_69c98e477bc23updateSlideNumber() { gdv_69c98e477bc23slideNumberDisplay.textContent = `${gdv_69c98e477bc23currentSlideIndex + 1} / ${gdv_69c98e477bc23imageUrls.length}`; }
gdv_69c98e477bc23prevSlideButton.addEventListener("click", function() { if (gdv_69c98e477bc23currentSlideIndex > 0) { gdv_69c98e477bc23currentSlideIndex--; gdv_69c98e477bc23loadImage(gdv_69c98e477bc23currentSlideIndex); gdv_69c98e477bc23updateSlideNumber(); } });
gdv_69c98e477bc23nextSlideButton.addEventListener("click", function() { if (gdv_69c98e477bc23currentSlideIndex < gdv_69c98e477bc23imageUrls.length - 1) { gdv_69c98e477bc23currentSlideIndex++; gdv_69c98e477bc23loadImage(gdv_69c98e477bc23currentSlideIndex); gdv_69c98e477bc23updateSlideNumber(); } }); function gdv_69c98e477bc23resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69c98e477bc23canvasContainer"); gdv_69c98e477bc23canvas.width = container.clientWidth; gdv_69c98e477bc23canvas.height = container.clientHeight - 30; gdv_69c98e477bc23fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69c98e477bc23drawImage(); } window.addEventListener("load", gdv_69c98e477bc23resizeCanvas); window.addEventListener("resize", gdv_69c98e477bc23resizeCanvas); function gdv_69c98e477bc23fitImageToCanvas() { const canvasAspect = gdv_69c98e477bc23canvas.width / gdv_69c98e477bc23canvas.height; const imageAspect = gdv_69c98e477bc23currentImage.width / gdv_69c98e477bc23currentImage.height; if (imageAspect > canvasAspect) { gdv_69c98e477bc23scale = gdv_69c98e477bc23canvas.width / gdv_69c98e477bc23currentImage.width; } else { gdv_69c98e477bc23scale = gdv_69c98e477bc23canvas.height / gdv_69c98e477bc23currentImage.height; } gdv_69c98e477bc23originX = gdv_69c98e477bc23canvas.width / 2; gdv_69c98e477bc23originY = gdv_69c98e477bc23canvas.height / 2; }
function gdv_69c98e477bc23drawImage() { gdv_69c98e477bc23ctx.clearRect(0, 0, gdv_69c98e477bc23canvas.width, gdv_69c98e477bc23canvas.height); gdv_69c98e477bc23ctx.save(); gdv_69c98e477bc23ctx.translate(gdv_69c98e477bc23originX, gdv_69c98e477bc23originY); gdv_69c98e477bc23ctx.rotate((Math.PI / 180) * gdv_69c98e477bc23rotationAngle); gdv_69c98e477bc23ctx.scale(gdv_69c98e477bc23scale, gdv_69c98e477bc23scale);
// Appliquer la luminosité et le contraste gdv_69c98e477bc23ctx.filter = `brightness(${gdv_69c98e477bc23brightnessInput.value}) contrast(${gdv_69c98e477bc23contrastInput.value})`; gdv_69c98e477bc23ctx.drawImage(gdv_69c98e477bc23currentImage, -gdv_69c98e477bc23currentImage.width/2, -gdv_69c98e477bc23currentImage.height/2); gdv_69c98e477bc23ctx.restore(); }
// Ajouter les miniatures des images gdv_69c98e477bc23imageUrls.forEach((obj, index) => { const slide = document.createElement("div"); slide.classList.add("swiper-slide"); const img = new Image(); img.loading = "lazy"; img.src = obj["url"]; img.onclick = function() { gdv_69c98e477bc23loadImage(index); gdv_69c98e477bc23currentSlideIndex = index; gdv_69c98e477bc23updateSlideNumber(); }; slide.appendChild(img); gdv_69c98e477bc23thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69c98e477bc23loadImage(index) { gdv_69c98e477bc23currentImage.src = gdv_69c98e477bc23imageUrls[index]["url"]; gdv_69c98e477bc23imageName.innerHTML = filtrerChaine(gdv_69c98e477bc23imageUrls[index]["name"], "rien"); gdv_69c98e477bc23currentImage.onload = function() { gdv_69c98e477bc23scale = 1; gdv_69c98e477bc23originX = 0; gdv_69c98e477bc23originY = 0; gdv_69c98e477bc23fitImageToCanvas(); gdv_69c98e477bc23drawImage(); };
const thumbnails = document.querySelectorAll(".swiper-slide"); thumbnails.forEach((thumb, i) => { if (i === index) { thumb.classList.add("active-thumbnail"); } else { thumb.classList.remove("active-thumbnail"); } }); }
// Initialiser Swiper var gdv_69c98e477bc23swiper = new Swiper(".gdv_69c98e477bc23swiper-container", { direction: "horizontal", slidesPerView: 8, spaceBetween: 5, breakpoints: { 576: { slidesPerView: 8, spaceBetween: 5 }, 768: { slidesPerView: 9, spaceBetween: 5 }, 992: { slidesPerView: 11, spaceBetween: 5 }, 1200: { slidesPerView: 13, spaceBetween: 5 } }, mousewheel: true, });
document.querySelector(".swiper-slide").classList.add("active-thumbnail");
//gdv_69c98e477bc23swiper.on("slideChange", function () { // gdv_69c98e477bc23currentSlideIndex = gdv_69c98e477bc23swiper.activeIndex; // gdv_69c98e477bc23updateSlideNumber(); //});
// Plein écran gdv_69c98e477bc23fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69c98e477bc23gd-image-gallery").requestFullscreen().catch(err => { alert(`Erreur lors de la tentative de mise en plein écran: ${err.message}`); }); } else { document.exitFullscreen(); } });
// Impression du canvas
/*printButton.addEventListener("click", function() {
const dataUrl = canvas.toDataURL();
const windowContent = ``;
const printWindow = window.open("", "", "width=800,height=800");
printWindow.document.write(windowContent);
printWindow.document.close();
});
*/
// Gestion du zoom gdv_69c98e477bc23canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69c98e477bc23scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69c98e477bc23minScale, Math.min(gdv_69c98e477bc23maxScale, newScale)); const scaleRatio = newScale / gdv_69c98e477bc23scale; gdv_69c98e477bc23originX = mouseX - (mouseX - gdv_69c98e477bc23originX) * scaleRatio; gdv_69c98e477bc23originY = mouseY - (mouseY - gdv_69c98e477bc23originY) * scaleRatio; gdv_69c98e477bc23scale = newScale; gdv_69c98e477bc23drawImage(); }); // Gestion du déplacement (pan) let gdv_69c98e477bc23isDragging = false; let gdv_69c98e477bc23startX, gdv_69c98e477bc23startY; gdv_69c98e477bc23canvas.addEventListener("mousedown", function(event) { gdv_69c98e477bc23isDragging = true; gdv_69c98e477bc23startX = event.offsetX - gdv_69c98e477bc23originX; gdv_69c98e477bc23startY = event.offsetY - gdv_69c98e477bc23originY; gdv_69c98e477bc23canvas.style.cursor = "grabbing"; }); gdv_69c98e477bc23canvas.addEventListener("mousemove", function(event) { if (gdv_69c98e477bc23isDragging) { gdv_69c98e477bc23originX = event.offsetX - gdv_69c98e477bc23startX; gdv_69c98e477bc23originY = event.offsetY - gdv_69c98e477bc23startY; gdv_69c98e477bc23drawImage(); } }); // Gestion des événements tactiles gdv_69c98e477bc23canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69c98e477bc23isDragging = true; const touch = event.touches[0]; gdv_69c98e477bc23startX = touch.pageX - gdv_69c98e477bc23originX; gdv_69c98e477bc23startY = touch.pageY - gdv_69c98e477bc23originY; } }); gdv_69c98e477bc23canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69c98e477bc23originX = touch.pageX - gdv_69c98e477bc23startX; gdv_69c98e477bc23originY = touch.pageY - gdv_69c98e477bc23startY; gdv_69c98e477bc23drawImage(); }); gdv_69c98e477bc23canvas.addEventListener("touchend", function() { gdv_69c98e477bc23isDragging = false; }); gdv_69c98e477bc23canvas.addEventListener("mouseup", function() { gdv_69c98e477bc23isDragging = false; gdv_69c98e477bc23canvas.style.cursor = "grab"; }); gdv_69c98e477bc23canvas.addEventListener("mouseleave", function() { gdv_69c98e477bc23isDragging = false; gdv_69c98e477bc23canvas.style.cursor = "grab"; }); gdv_69c98e477bc23zoomInButton.addEventListener("click", function() { let newScale = gdv_69c98e477bc23scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69c98e477bc23scale = Math.max(gdv_69c98e477bc23minScale, Math.min(gdv_69c98e477bc23maxScale, newScale)); gdv_69c98e477bc23drawImage(); }); gdv_69c98e477bc23zoomOutButton.addEventListener("click", function() { let newScale = gdv_69c98e477bc23scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69c98e477bc23scale = Math.max(gdv_69c98e477bc23minScale, Math.min(gdv_69c98e477bc23maxScale, newScale)); gdv_69c98e477bc23drawImage(); }); gdv_69c98e477bc23resetZoomButton.addEventListener("click", function() { gdv_69c98e477bc23rotationAngle = 0; gdv_69c98e477bc23fitImageToCanvas(); gdv_69c98e477bc23drawImage(); }); function gdv_69c98e477bc23getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69c98e477bc23downloadImage").addEventListener("click", function() { let url = gdv_69c98e477bc23currentImage.src; const imageId = gdv_69c98e477bc23getImageIdFromUrl(url); const apiUrl = `${window.location.origin}/wp-json/gdv/v1/download-image?image_id=${imageId}`; fetch(apiUrl) .then(response => response.blob()) .then(blob => { const url = window.URL.createObjectURL(blob); const a = document.createElement("a"); a.style.display = "none"; a.href = url; a.download = `${imageId}.jpg`; document.body.appendChild(a); a.click(); window.URL.revokeObjectURL(url); }) .catch(error => console.error("Error downloading image:", error)); });
function gdv_69c98e477bc23printImageFromApi(imageId) { const apiUrl = `${window.location.origin}/wp-json/gdv/v1/download-image?image_id=${imageId}`;
fetch(apiUrl) .then(response => response.blob()) .then(blob => { const url = URL.createObjectURL(blob); const printWindow = window.open("", "_blank"); printWindow.document.write(`
const gdv_69c98e477bc23printButton = document.getElementById("gdv_69c98e477bc23printCanvas");
gdv_69c98e477bc23printButton.addEventListener("click", function() { let url = gdv_69c98e477bc23currentImage.src; const imageId = gdv_69c98e477bc23getImageIdFromUrl(url); gdv_69c98e477bc23printImageFromApi(imageId); });
let gdv_69c98e477bc23initialDistance = 0; let gdv_69c98e477bc23initialScale = 1;
gdv_69c98e477bc23canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69c98e477bc23initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69c98e477bc23initialScale = gdv_69c98e477bc23scale; } });
gdv_69c98e477bc23canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69c98e477bc23initialDistance; let newScale = gdv_69c98e477bc23initialScale * scaleChange;
newScale = Math.max(gdv_69c98e477bc23minScale, Math.min(gdv_69c98e477bc23maxScale, newScale));
const centerX = (event.touches[0].pageX + event.touches[1].pageX) / 2; const centerY = (event.touches[0].pageY + event.touches[1].pageY) / 2;
const scaleRatio = newScale / gdv_69c98e477bc23scale; gdv_69c98e477bc23originX = centerX - (centerX - gdv_69c98e477bc23originX) * scaleRatio; gdv_69c98e477bc23originY = centerY - (centerY - gdv_69c98e477bc23originY) * scaleRatio;
gdv_69c98e477bc23scale = newScale; gdv_69c98e477bc23drawImage(); // Remplacez par votre fonction de dessin } });
function getDistance(touch1, touch2) { const dx = touch2.pageX - touch1.pageX; const dy = touch2.pageY - touch1.pageY; return Math.sqrt(dx * dx + dy * dy); }